Ajax Systems

Ajax HomeSiren

Wireless indoor siren

An audio alarm system with a customizable sound level between 81 and 105 dB and external LED connector. Maintains a connection to Ajax Hub at a distance of up to 2,000 meters in open space.

Download manual
  • Works up to 2,000 meters from Ajax Hub in open space or across several floors of a business center
  • External LED connector
  • Powered by the built-in batteries
  • Alarm length and sound level are customizable (81-105 dB)
  • Tamper-resistant body
  • Disassembly immediately activates an alarm
  • Polling period from 12 seconds
  • Works at temperatures between 0°C and +50°C and humidity up to 75%
  • Has a battery life of up to 5 years
  • Indicates current state (arm/disarm/armed)
  • Battery indicator shows battery level
  • Interactive manual for easy installation
  • No need to disassemble the body when installing using SmartBracket mounts
  • The quality of the connection can be tested remotely
Tech specs
  • Colour:
  • Device type:
  • Use:
  • Alarm type:
  • External LED connector:
  • Sound alarm volume:
    Adjustable, 81-105 dB at the distance of 1 m
  • Working frequency of piezo buzzer:
    3.5±0.5 kHz
  • Arm/disarm/armed state indication:
  • Power supply:
    From on-board batteries
  • Battery type:
    2 CR123A batteries, 3V
  • Battery indicator:
  • Battery life:
    Up to 5 years
  • Standby current:
    70 µA (when polling every 36 seconds)
  • Tamper protection:
  • Radio signal power:
    25 mW
  • Communication protocol:
    Jeweller (868.0-868.6 MHz)
  • Maximum distance between detector and central unit:
    Up to 2,000 m (6,552 ft) (in open area)
  • Radio monitoring:
    Synchronization with the central unit every 12 to 300 sec (customizable)
  • Alarm triggering time:
    Less than a second
  • Customizable alarm duration:
    Between 3 sec and 3 min
  • Ingress protection:
  • Working temperature range:
    From 0°С (+32°F) to +50°С (+122°F)
  • Operating humidity:
    Up to 75%
  • Dimensions:
    75х75,6х26,6 mm (2.95x2.98x1.02 in)
  • Weight:
    96 g
  • Siren
  • External LED connector
  • 2 CR123A batteries (pre-installed)
  • Installation set
  • Manual